# Merge lv_data2 into lv_data1 lvmerge vg1/lv_data1 vg1/lv_data2
Elena needed a way to hot-swap the storage without the users ever noticing.
Elena opened her terminal, her fingers hovering over the keyboard. She decided to utilize one of LVM’s most powerful, yet often misunderstood features: the mirror.
# Merge lv_data2 into lv_data1 lvmerge vg1/lv_data1 vg1/lv_data2
Elena needed a way to hot-swap the storage without the users ever noticing.
Elena opened her terminal, her fingers hovering over the keyboard. She decided to utilize one of LVM’s most powerful, yet often misunderstood features: the mirror.